Huawei technologies co., ltd. (20240340410). Recovery Point Signaling in Video Coding simplified abstract

Recovery Point Signaling in Video Coding

Organization Name

huawei technologies co., ltd.

Inventor(s)

Ye-Kui Wang of San Diego CA (US)

Recovery Point Signaling in Video Coding - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240340410 titled 'Recovery Point Signaling in Video Coding

Simplified Explanation: The patent application describes a video coding mechanism that includes decoding a bitstream with a gradual decoding refresh (GDR) picture, a recovery point picture, and a header. The header contains a Picture Order Count (POC) least significant bit (LSB) value coded before a recovery POC value. The mechanism determines the POC for the GDR picture based on the POC LSB value and the recovery POC value based on the POC for the GDR picture. The bitstream is decoded according to the GDR picture and the recovery point picture.

• Key Features and Innovation:

   - Utilizes a gradual decoding refresh (GDR) picture in video coding.
   - Includes a recovery point picture following the GDR picture.
   - Header contains POC LSB value and recovery POC value.
   - Decodes the bitstream based on the GDR and recovery point pictures.

• Potential Applications:

   - Video streaming services
   - Video surveillance systems
   - Video conferencing platforms

• Problems Solved:

   - Efficient video coding with GDR and recovery point pictures.
   - Improved picture quality in video decoding.

• Benefits:

   - Enhanced video compression and transmission.
   - Better error recovery in video decoding processes.

• Commercial Applications:

   - Optimizing video streaming services for better user experience.
   - Enhancing video surveillance systems for improved security monitoring.

• Prior Art:

   - Researchers and developers in the field of video coding and compression.
   - Standards organizations like MPEG and ITU-T.

• Frequently Updated Research:

   - Latest advancements in video coding standards.
   - Research on error-resilient video transmission techniques.

Questions about video coding mechanism: 1. What are the potential implications of using a recovery point picture in video coding? 2. How does the mechanism determine the Picture Order Count (POC) for the GDR picture?

1. A relevant generic question not answered by the article, with a detailed answer. How does the utilization of a gradual decoding refresh (GDR) picture improve video compression efficiency and quality in the decoding process?

2. Another relevant generic question, with a detailed answer. What are the practical applications of incorporating a recovery point picture in video coding mechanisms, and how does it benefit video streaming services and surveillance systems?

Original Abstract Submitted

a video coding mechanism is disclosed. the mechanism includes receiving a bitstream comprising a gradual decoding refresh (gdr) picture, a recovery point picture following the gdr picture in decoding order, and a header associated with the gdr picture. the header includes a picture order count (poc) least significant bit (lsb) value coded prior to a recovery poc value. a poc for the gdr picture is determined based on the poc lsb value. the recovery poc value is determined based on the poc for the gdr picture. the recovery poc value indicates a poc for the recovery point picture. the bitstream is decoded according to gdr based on the gdr picture and the recovery point picture.